What airlines fly to Ontario?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ontario from Bismarck according to our data. United Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Bismarck Airport to Ontario Airport?

Prices for flights from Bismarck Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from Bismarck Airport to Ontario Airport?

As of November 2025, there is 1 operator available to choose from for flights from Bismarck Airport to Ontario Airport.

How old do you have to be to fly from Bismarck Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$269 Cheap Flights from Bismarck to Ontario in 2025/26

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Find the cheapest flights from Bismarck to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:15 pm - 8:42 pmBIS-ONT

5h 27m1 stop

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

$339United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

1:50 pm - 10:49 pmBIS-ONT

10h 59m2 stops

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

$344United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

5:00 am - 5:07 pmBIS-ONT

14h 07m2 stops

5:49 pm - 11:07 amONT-BIS

15h 18m2 stops

$349Delta

Find Deal

Tue, Dec 9 - Sat, Dec 13

5:30 am - 12:17 pmBIS-ONT

8h 47m2 stops

1:24 pm - 11:30 pmONT-BIS

8h 06m1 stop

$354United Airlines

Find Deal

Sat, Jan 17 - Wed, Jan 21

5:30 am - 12:17 pmBIS-ONT

8h 47m2 stops

6:00 am - 4:32 pmONT-BIS

8h 32m2 stops

$359United Airlines

Find Deal

Sat, Jan 17 - Wed, Jan 21

1:50 pm - 10:49 pmBIS-ONT

10h 59m2 stops

1:24 pm - 11:30 pmONT-BIS

8h 06m1 stop

$389United Airlines

Find Deal

Sat, Dec 13 - Tue, Jan 13

5:30 am - 8:58 pmBIS-ONT

17h 28m1 stop

1:24 pm - 11:30 pmONT-BIS

8h 06m1 stop

$429United Airlines

Find Deal

Sat, Jan 17 - Wed, Jan 21

5:10 pm - 8:58 pmBIS-ONT

5h 48m1 stop

1:24 pm - 12:51 pmONT-BIS

21h 27m1 stop

$442United Airlines

Find Deal

Mon, Feb 2 - Fri, Feb 6

5:30 am - 8:58 pmBIS-ONT

17h 28m1 stop

1:24 pm - 11:30 pmONT-BIS

8h 06m1 stop

$469United Airlines

Find Deal

Sat, Jan 17 - Wed, Jan 21

1:35 pm - 10:53 pmBIS-ONT

11h 18m2 stops

1:24 pm - 12:51 pmONT-BIS

21h 27m1 stop

$477United Airlines

Find Deal

Mon, Feb 2 - Fri, Feb 6

United Airlines flights from Bismarck to Ontario

Our best United Airlines deals on Bismarck to Ontario flight tickets

United Airlines

Dec 9

BIS5:15 pmBismarck

5h 27m

1 stop

ONT8:42 pmOntario

Dec 13

ONT5:05 amOntario

5h 49m

1 stop

BIS12:54 pmBismarck

$339

Find similar

United Airlines

Dec 9

BIS1:50 pmBismarck

10h 59m

2 stops

ONT10:49 pmOntario

Dec 13

ONT5:05 amOntario

5h 49m

1 stop

BIS12:54 pmBismarck

$344

Find similar

United Airlines

Jan 17

BIS5:30 amBismarck

8h 47m

2 stops

ONT12:17 pmOntario

Jan 21

ONT1:24 pmOntario

8h 06m

1 stop

BIS11:30 pmBismarck

$354

Find similar

Delta flights from Bismarck to Ontario

Our best Delta deals on Bismarck to Ontario flight tickets

Delta

Dec 9

BIS5:00 amBismarck

14h 07m

2 stops

ONT5:07 pmOntario

Dec 13

ONT5:49 pmOntario

15h 18m

2 stops

BIS11:07 amBismarck

$349

Find similar

Delta

Dec 25

BIS1:28 pmBismarck

11h 05m

2 stops

ONT10:33 pmOntario

Dec 31

ONT6:00 amOntario

11h 49m

2 stops

BIS7:49 pmBismarck

$948

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BismarckOntario

BIS - ONT

BISONT

Bismarck

Tue 12/9

5:15 pm-8:42 pm

1 stop5h 27m

Ontario

Sat 12/13

5:05 am-12:54 pm

1 stop5h 49m

$339

BismarckOntario

BIS - ONT

BISONT

Bismarck

Tue 12/9

1:50 pm-10:49 pm

2 stops10h 59m

Ontario

Sat 12/13

5:05 am-12:54 pm

1 stop5h 49m

$344

BismarckOntario

BIS - ONT

BISONT

Bismarck

Tue 12/9

5:00 am-5:07 pm

2 stops14h 07m

Ontario

Sat 12/13

5:49 pm-11:07 am

2 stops15h 18m

$349

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sat 1/17

5:30 am-12:17 pm

2 stops8h 47m

Ontario

Wed 1/21

1:24 pm-11:30 pm

1 stop8h 06m

$354

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sat 1/17

5:30 am-12:17 pm

2 stops8h 47m

Ontario

Wed 1/21

6:00 am-4:32 pm

2 stops8h 32m

$359

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sat 12/13

1:50 pm-10:49 pm

2 stops10h 59m

Ontario

Tue 1/13

1:24 pm-11:30 pm

1 stop8h 06m

$389

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sat 1/17

5:30 am-8:58 pm

1 stop17h 28m

Ontario

Wed 1/21

1:24 pm-11:30 pm

1 stop8h 06m

$429

BismarckOntario

BIS - ONT

BISONT

Bismarck

Mon 2/2

5:10 pm-8:58 pm

1 stop5h 48m

Ontario

Fri 2/6

1:24 pm-12:51 pm

1 stop21h 27m

$442

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sat 1/17

5:30 am-8:58 pm

1 stop17h 28m

Ontario

Wed 1/21

1:24 pm-11:30 pm

1 stop8h 06m

$469

BismarckOntario

BIS - ONT

BISONT

Bismarck

Mon 2/2

1:35 pm-10:53 pm

2 stops11h 18m

Ontario

Fri 2/6

1:24 pm-12:51 pm

1 stop21h 27m

$477

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Bismarck to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $390. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Bismarck to Ontario for around $570.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Bismarck to Ontario when you can find flight prices for as low as $420. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $656 on average. Flights to Ontario from Bismarck in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Bismarck to Ontario flights?

You could potentially save up to 4% on your flight if you consider stops on a Bismarck to Ontario flight.

When to book flights from Bismarck to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Bismarck to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Bismarck to Ontario (BIS to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to Ontario

Fastest flight time	5h 27m
Direct flights	None

The fastest flight from Bismarck to Ontario takes 5h 27m

There are no direct flights from Bismarck to Ontario. There are no popular flight routes from Bismarck to Ontario.

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How far is Bismarck to Ontario by plane?
Bismarck and Ontario are 1243.9 mi apart from one another. 5h 27m is a normal flight duration for this route.
When did momondo last update prices for flights from Bismarck Airport to Ontario Airport?
Prices for flights from Bismarck Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Bismarck Airport to Ontario Airport?
As of November 2025, there is 1 operator available to choose from for flights from Bismarck Airport to Ontario Airport.
How old do you have to be to fly from Bismarck Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Bismarck to Ontario?
Based on momondo bookings for flights between Bismarck and Ontario, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Bismarck to Ontario

Compare and see reviews for airlines that fly from Bismarck to Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $341	Free Cancellation	Rating 7.4 9,046 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Bismarck to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Bismarck.

Can I find flights from Bismarck to Ontario with flexible booking policies on momondo?

All flight searches from Bismarck to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bismarck to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Bismarck.

I’m not ready to book a flight from Bismarck to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bismarck to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.